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Re: Removing Harmonic Balancer
Wally / Montana #1376377 Tue Sep 08 2020 04:27 PM
Joined: Nov 1995
Posts: 4,640
J
Unrepentant VW Lover
Just a note to anyone who is reading this and thinking about pulling their own HB be careful with the puller yoke bolts (the ones that thrad into the HB. The holes go all the way through so be carefull you don't go too far and damage the timing gear cover.

Or am I the only one who's dumb enough to have learned that the hard way??


John
"There is a life about to start
When tomorrow comes..."


'49 Chevrolet 3804

Re: Removing Harmonic Balancer
Wally / Montana #1376412 Tue Sep 08 2020 09:55 PM
Joined: Dec 2017
Posts: 808
D
Shop Shark
Nope, lol. I am also in that distinguished class of graduates.


Mike
Re: Removing Harmonic Balancer
Pre '68 Dave #1376779 Sat Sep 12 2020 04:13 AM
Joined: Sep 2011
Posts: 745
B
Shop Shark
Originally Posted by Pre '68 Dave
I will have to just imagine it eeeek

Imagine no more!
1st photo is setting flat, 2nd I'm lifting one side to better show slack between pulley rivets.

Had a bit of a wobble.

Attached Files
20200911_190108.jpg (195.45 KB, 99 downloads)
20200911_190105.jpg (219.52 KB, 99 downloads)
Last edited by BC59; Sat Sep 12 2020 04:15 AM.

BC
1960 Chevy C10 driver 235 T5 3.73 dana 44
1949 GMC 250 project in waiting
1960 C60 pasture art
G.M dealer tech since 1980 & counting
Re: Removing Harmonic Balancer
Wally / Montana #1376786 Sat Sep 12 2020 12:53 PM
Joined: Jan 2001
Posts: 5,017
P
Master Gabster
Someone must have run with a very tight belt to put enough pressure on the pulley to do that.


See the USA in your vintage Chevrolet!
My Blog
Re: Removing Harmonic Balancer
Wally / Montana #1376802 Sat Sep 12 2020 03:38 PM
Joined: Sep 2011
Posts: 745
B
Shop Shark
Well Dave, it's like Paul Harvey, now the rest of the story.
Many years back on a road trip ol' blue developed this rattle noise, pulley slightly loose on hub.
Went to small farm town flaps and got a later g.m. fuel sender o ring that fit tight. Noise gone, home after 2 days driving no noise. Got on the list for winter replacement, life messed with list. Ran longer that I'm willing to admit before it jogged my memory & got replaced.

Btw Dave, thank you for all work you have put into your Blog!

Last edited by BC59; Sat Sep 12 2020 03:41 PM.

BC
1960 Chevy C10 driver 235 T5 3.73 dana 44
1949 GMC 250 project in waiting
1960 C60 pasture art
G.M dealer tech since 1980 & counting
Re: Removing Harmonic Balancer
Wally / Montana #1376812 Sat Sep 12 2020 04:37 PM
Joined: Jan 2020
Posts: 497
D
Shop Shark
John and Dragsix, oh no I would never do that twice! Honest.


Currently making 1954 3100 better than new
Re: Removing Harmonic Balancer
Wally / Montana #1376816 Sat Sep 12 2020 04:52 PM
Joined: Sep 2011
Posts: 745
B
Shop Shark
I'll raise my had as well, wrenching job in h.s., frt seal replacement job. Boss gave me shorter bolts & sent me out back to pull the cover off a core. Gave me the bonus knowledge of Stovebolt timing cover removal.


BC
1960 Chevy C10 driver 235 T5 3.73 dana 44
1949 GMC 250 project in waiting
1960 C60 pasture art
G.M dealer tech since 1980 & counting
Re: Removing Harmonic Balancer
John Milliman #1376861 Sun Sep 13 2020 01:12 AM
Joined: Mar 2010
Posts: 9,443
5
Master Gabster
Originally Posted by John Milliman
Just a note to anyone who is reading this and thinking about pulling their own HB be careful with the puller yoke bolts (the ones that thrad into the HB. The holes go all the way through so be carefull you don't go too far and damage the timing gear cover.

Or am I the only one who's dumb enough to have learned that the hard way??
I almost did that, but caught myself before disaster struck, then placed a couple of pieces of steel plate between the ends of the bolts ends and the cover to spread out the force and eased the HB right off with nary a mark on the timing cover.

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